发明授权
- 专利标题: Biodegradable ether dry cleaning solvent
- 专利标题(中): 可生物降解的乙醚干洗溶剂
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申请号: US09621896申请日: 2000-07-20
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公开(公告)号: US06273919B1公开(公告)日: 2001-08-14
- 发明人: William A. Hayday
- 申请人: William A. Hayday
- 主分类号: D06L102
- IPC分类号: D06L102
摘要:
A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.